Tukwila Weather in September

With daytime temperatures of 22°C (72°F) and nighttime lows of 12°C (54°F), September in Tukwila brings pleasant temperatures during the day. The perfect weather makes it an appealing time to visit.

Rainfall in Tukwila in September

Historically, the month has about 10 days of rain, averaging 48 mm (1.9 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Tukwila in September

September is a perfect month in Tukwila, with 22°C (72°F) during the day and 12°C (54°F) at night. September is part of summer. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Tukwila in September

The month enjoys around 220 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Tukwila in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Tukwila's climate page.

Tukwila Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 33%  

Precipitation 48 mm (1.9 in)  

Rainy days 10 days  

Humidity 73% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 220 hours *  

Percentage Sunshine 59% *  

* Data from: Seattle, the United States of America (3 KM, 2 Miles).

What to Wear in Tukwila in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Tukwila in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Tukwila's climate page.

More climate data for Tukwila

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Tukwila climate overview or explore weather in the United States of America.